Home / 750,849.35-1,036,169.64-406,684.46

Finding the Fourth Proportional to 750,849.35, 1,036,169.64 and 406,684.46

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Solution

The fourth proportional to 750,849.35, 1,036,169.64 and 406,684.46 is: 561,223.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,849.35 : 1,036,169.64 = 406,684.46 : x
  2. Step 2: Convert to fraction form
    750,849.35/1,036,169.64 = 406,684.46/x
  3. Step 3: Cross multiply
    750,849.35x = 1,036,169.64 × 406,684.46
  4. Step 4: Simplify right side
    750,849.35x = 421,394,093,102.22
  5. Step 5: Solve for x
    x = 421,394,093,102.22/750,849.35
  6. Step 6: Final answer
    x = 561,223.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.